How to delete an item in cash drawer receipt

Hi,

In billing a bill was created (0000000001), after that an error was found after its creation. For example, 1000 USD. An adjustment was made precisely for that bill(0000000002) -1000 USD.

The problem is those bills were transfered to AR. The pending items were then sent to the cash drawer receipt. How do I delete those items or at least delete the negative item in the cash drawer receipt look up reference page so it can't be charged, and not affect the customer's account.